a sofa being lowered from a hook to avoid carrying it on the stairs, which is how the Netherlands avoids the Moser problem
https://social.v.st/system/media_attachments/files/110/450/711/792/221/549/original/c0ef13963b0f973e.jpeg
Twenty five years after reading "Dirk Gently's Holistic Detective Agency", I learn that the sofa stuck in the stairway subplot is actually an unsolved math problem: https://youtu.be/bUNl_jJMTOw
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